these 4 derivations will be built:
  /nix/store/nw3jxcy27877c29i80bzsv1fwlzfm8zj-clan-runtime.drv
  /nix/store/ymqd1jhsc9vfblnijknnfymq7jdpdr03-clan-cli-source.drv
  /nix/store/80cggkpqdvvjlq9zav5293s7jkrzsiby-clan-cli.drv
  /nix/store/15x848bn60xakimkyb9dv1rv9rkn3as4-nix-shell.drv